Convert a value to an array

A debug logger package for other Google libraries

Check if a path exists

Check if argv has a specific flag

Comprehensive Human-in-the-Loop examples — custom document with widget, AskUserWorkflow / ConfirmUserWorkflow sub-workflow shortcuts, and LLM agent loops with AskClarificationTool / AskForApprovalTool

Invert the key/value of an object. Example: `{foo: 'bar'}` → `{bar: 'foo'}`

@liff/is-sub-window

a point geometry with transforms

Human-friendly and powerful HTTP request library for Node.js

Enterprise Feature-local Spec Package workflow for Claude, Gemini, and Cursor (3A-Factory)

Add subscript formatting to your text editor.

The Subaccounts API enables you to create subaccounts under your primary account. Subaccounts facilitate differential product configuration, reporting, and billing. The Subaccounts API is released initially with restricted availability.

Create an array without duplicates

Check if a value is a regular expression

handle circular references when stringifying and parsing

Strip redundant indentation and indent the string

🔥 An extremely fast and efficient LRU cache for JavaScript with high compatibility (including Browsers).

Check if a path is in the current working directory

The Workflows World interface

figure-out dates across timezones